Chevron U.S.A., Inc. v. Progress Marine, Inc632 F.2d 893 5th Cir.1980Check Treatment632 F.2d 893 *Chevron U.S.A., Inc.v.Progress Marine, Inc. 79-3464 UNITED STATES COURT OF APPEALS Fifth Circuit 11/14/80 1 E.D.La. AFFIRMED